Double shaker



FIG. 1 is a three-dimensional perspective view of the double shaker of the present invention;

FIG. 2 is a front view of the double shaker of the present invention;

FIG. 3 is a top view of the double shaker of the present invention;

FIG. 4 is a side view of the double shaker of the present invention;

FIG. 5 is a bottom view of the double shaker of the present invention; and,

FIG. 6 is a three-dimensional perspective view of the double shaker with the cap portions removed to show the underlying parts.

The surface(s) or portion(s) of the article not shown in the drawing or described in the specification form(s) no part of the claimed design. 

The ornamental design for a double shaker, as shown and described. 